what-when-how
In Depth Tutorials and Information
10
−1
6%
10
−2
10
−3
# of peers in the AS/torrent size
M−Zipf: a=1.33, q=10
10
−4
10
0
10
1
10
2
10
3
AS Rank
Figure6.30
RatiobetweenASclustersizeandtorrentsize(39bigtorrents).
M
X
Y
P(s|a) = N/M
P(a|s) = X/Y
a1
a2
a3
a4
a5
T
s1
322
3
0
0
35
s2
0
0
62
0
0
Y
:AS distribution of a
given BT swarm
s3
0
511
139
0
0
s4
15
0
0
477
9
M
:Swarm distribution
of a given AS
s5
3
0
2
2
0
Figure6.31
DetailsoftableTanddifferentrelationships.
